Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
aaos.org
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 00:48:19 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 172.171.25.79 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
cbru.br.ns.els-gms.att.net rm-hostmaster.ems.att.com 1974 10800 3600 604800 86400
Primary NS (mname)
cbru.br.ns.els-gms.att.net
Admin Email (rname)
rm-hostmaster@ems.att.com
Serial
1974
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
pdns77.ultradns.net
pdns77.ultradns.org
pdns77.ultradns.biz
pdns77.ultradns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=ciqi3fw7._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- anthropic-domain-verification-be05b9=uL1xpplzLMutxwAnYUVw8ISPN
- google-site-verification=tiQ8Qv39ziNUZMS7JHZ68iYfUw85TiMdBvYyPUIJwfo
- google-site-verification=uUgOipwYJpqgIFu5-AIcbqns_1UvmG75Eupg_XaaNJ8
- atlassian-domain-verification=wbf1x9dfLXyZJIfwl8mC+3JONdGjc1zbKpYCUQmAC2FLhlv/0IMAAYmh1Tm/a2Hc
- u9qaldq2mql9d1rt9jmjehkecg
- vj0013j1qf909m7s1276lfmjkg
- ckcwlk137r3yflnrdcxq0158hk85rxjz
- aaos-app-prod-epi01.azurewebsites.net
- SPFv=spf1 redirect=ciqi3fw7._spf._d.mim.ec
Full email verification for aaos.org
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits